Purification of dihydrofolate reductase via amethopterin-aminoethyl starch.
D000588:Amines; D000818:Animals; D002645:Chickens; D002850:Chromatography, Gel; D005492:Folic Acid; D006863:Hydrogen-Ion Concentration; D008099:Liver / Q000201:enzymology; D008727:Methotrexate; D013213:Starch; D013762:Tetrahydrofolate Dehydrogenase / Q000302:isolation & purification*
D000588:Amines; D013213:Starch; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate